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| BD9150MUV Datasheet, PDF (5/19 Pages) Rohm – Output 1.5A or Less High Efficiency Step-down Switching Regulator with Built-in Power MOSFET | |||
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BD9150MUV
âCharacteristics dataãBD9150MUVã
VCC=5V,Ta=25â
EN1=E2
VCC=5V,Ta=25â
SW1
VOUT1
VOUT2
VOUT1
Fig.15 Soft start waveform
(Io=1.5A)
Fig.16 SW1 waveform
(Io=0mA)
Technical Note
VCC=5V,Ta=25â
SW1
VOUT1
Fig.17 SW1 waveform
(Io=1.5A)
VCC=5V,Ta=25â,VOUT2=1.2V
SW2
VOUT2
VCC=5V,Ta=25â,VOUT2=1.2V
SW2
VOUT2
VCC=5V,Ta=25â
VOUT1
IOUT1
Fig.18 SW2 waveform
(Io=0mA)
Fig.19 SW2 waveform
(Io=1.5A)
Fig.20 VOUT1 Transient Response
(Io0.5Aâ1.5A / usec)
VOUT1
IOUT1
VCC=5V,Ta=25â
VOUT2
VCC=5V,Ta=25â,VOUT2=1.2V
VOUT2
VCC=5V,Ta=25â,VOUT2=1.2V
IOUT2
IOUT2
Fig.21VOUT1 Transient Response
(Io1.5Aâ0.5A/ usec)
Fig.22 VOUT2 Transient Response
(Io0.5Aâ1.5A/ usec)
Fig.23 VOUT2 Transient Response
(Io1.5Aâ0.5A/ usec)
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âc 2009 ROHM Co., Ltd. All rights reserved.
5/18
2009.05 - Rev.A
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